Put it in a box and ship it. It isn't classified as a firearms so you don't have to jump through any hoops or ask any anti-gun clerk for permission.

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Good intentions will always be pleaded for any assumption of power. The Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern will, but they mean to govern. They promise to be good masters, but they mean to be masters.
--Daniel Webster--